The following publications are possibly variants of this publication:
- Proving the distillability problem of two-copy 4˟ 4 Werner states for monomial matricesLin Chen, Huixia He, Xian Shi, Li-jun Zhao. qip, 20(4):157, 2021. [doi]
- On the distillability problem of two-copy 4˟ 4 Werner states: matrices A, B of at most four nonzero entriesLin Chen, Changchun Feng, Huixia He. qip, 22(2):108, February 2023. [doi]